49-22-0175 Milwaukee 8 Piece Universal Quik-Lok Flat Boring Set  Expanding on the Universal QUIK-LOK family, the 49-22-0175 comes equipped with the Universal QUIK-LOK which not only allows quick and easy accessory changes, but also provides added reach in hard to work in areas. The double wing spurs provide easy hole formation while reducing vibration and preventing "break out". The patented cutting edge produces easier and faster wood boring and fast chip removal which dissipates heat from the bit.  Features:Universal 8 Piece Universal QUIK-LOK Flat Boring Setprovides quick and easy accessory changes Double Wing Spurs for easy hole formation Patented Cutting Edge for fast, easy wood boring 1/4 in. Quick-Change Hex Shank for use in all Universal QUIK-LOK Extensions Includes:(1) one each: 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1 inch, 1-1/8 inch, 6 inch universal quik-lok all hex extension and case.